Compound

Capacity factor (k)

Selectivity (α)

Resolution (R_s)

Tailing factor (T)

Theoretical Plates

RRT

Imp-1

25.77

0.43

6.49

1.09

12,563

0.20

Imp-2

30.07

7.14

4.17

1.05

12,935

0.23

Imp-3

101.50

2.08

48.82

1.01

50,848

0.75

Imp-4

122.30

0.55

11.10

1.00

66,604

0.90

Imp-5

127.77

0.78

2.86

1.02

70,602

0.94

Apremilast

135.60

1.15

4.02

1.02

79,634

1.00

Imp-6

147.13

0.57

5.70

1.03

82,767

1.08

Imp-7

152.83

1.39

2.81

1.04

93,099

1.13

Imp-8

166.67

-

7.02

1.05

119,276

1.23